import java.util.Random;


public class teste{

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {
		Random r = new Random();
		
		for (int i=0; i < 20; i++){
		System.out.printf("Numero: " + r.nextInt(4)+ "\n");
		Thread.sleep(100);
		}
	}

}
